The opportunity cost of buying two more pairs of shoe is 1 suit.
<h3>What is opportunity cost?</h3>
Opportunity cost is an economic term for expressing cost, in terms of foregone alternative.
Given the information above,
Her opportunity cost of consuming one extra pair of shoes instead of one suit
= $50 / $100
= 0.5 suit or half a suit
Her opportunity cost of consuming one suit instead of a pair of shoes
= $100 / $50
= 2 pairs of shoes
Hence, the opportunity cost of consuming 2 more pairs of shoes
= 0.5 suit x 2
= 1 suit
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